Duani is a surname. Notable people with the surname include: Roni Duani (born 1986), Israeli singer, model, actress, television host, and entrepreneur Rami Duani (born 1987), Israeli footballer See
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57169269bf1c9c9bbcb5524b9a0d31e8ec9691d046084cbfbe14978f9357974d. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d2e0d732-a816-4ed9-92e9-bb95b498a370.json and https://artists.proofprofile.net/proofs/artist/d2e0d732-a816-4ed9-92e9-bb95b498a370.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).